<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login</title>
</head>
<body>

<form action = "/day14_Servlet_Http_Request_war_exploded/RequestDemo01" method="post">
    <input name="username">
    <input type="submit"  value="submit">

</form>
</body>
</html>